#!/usr/bin/python
#     Copyright 2025, Kay Hayen, mailto:kay.hayen@gmail.com find license text at end of file


""" Make version bump for Nuitka. """

import sys
from optparse import OptionParser

from nuitka.tools.Basics import goHome
from nuitka.tools.release.Debian import updateDebianChangelog
from nuitka.tools.release.Release import getBranchName
from nuitka.Tracing import my_print
from nuitka.utils.FileOperations import openTextFile


def getBumpedVersion(mode, old_version):
    if mode == "prerelease":
        if "rc" in old_version:
            parts = old_version.split("rc")

            new_version = "rc".join([parts[0], str(int(parts[1]) + 1)])
        else:
            old_version = ".".join(old_version.split(".")[:3])
            parts = old_version.split(".")
            parts[-1] = str(int(parts[-1]) + 1)

            new_version = ".".join(parts) + "rc1"
    elif mode == "release":
        if "rc" in old_version:
            old_version = old_version[: old_version.find("rc")]
            was_pre = True
        else:
            was_pre = False

        new_version = ".".join(old_version.split(".")[:3])

        if not was_pre:
            parts = new_version.split(".")
            parts[-1] = str(int(parts[-1]) + 1)

            new_version = ".".join(parts)
    elif mode == "hotfix":
        assert "pre" not in old_version and "rc" not in old_version

        parts = old_version.split(".")

        if len(parts) == 2:
            parts.append("1")
        else:
            parts[-1] = str(int(parts[-1]) + 1)

        new_version = ".".join(parts)

    else:
        sys.exit("Error, unknown mode '%s'." % mode)

    return new_version


def main():
    parser = OptionParser()

    parser.add_option(
        "--mode",
        action="store",
        dest="mode",
        default=None,
        help="""\
The mode of version number update, "prerelease", "hotfix", "release",
"auto" (default auto determined from branch name), and "redate" bumps
the changelog date only.""",
    )

    options, positional_args = parser.parse_args()

    if positional_args:
        parser.print_help()

        sys.exit("\nError, no positional argument allowed.")

    # Go its own directory, to have it easy with path knowledge.
    goHome()

    with openTextFile("nuitka/Version.py", "r") as f:
        option_lines = f.readlines()

    (version_line,) = [line for line in option_lines if line.startswith("Nuitka V")]

    old_version = version_line[8:].rstrip()

    mode = options.mode
    branch_name = getBranchName()

    if mode is None:
        if branch_name.startswith("hotfix/"):
            mode = "hotfix"
        elif branch_name == "main" or branch_name.startswith("release/"):
            mode = "release"
        elif branch_name == "develop":
            mode = "prerelease"
        else:
            sys.exit("Error, cannot detect mode from branch name '%s'." % branch_name)

    if mode != "redate":
        new_version = getBumpedVersion(mode, old_version)
        my_print("Bumped %s '%s' -> '%s'." % (mode, old_version, new_version))

        with openTextFile("nuitka/Version.py", "w") as options_file:
            for line in option_lines:
                if line.startswith("Nuitka V"):
                    line = "Nuitka V" + new_version + "\n"

                options_file.write(line)

        # Debian is currently in not freeze, change to "experimental" once that changes.
        updateDebianChangelog(old_version, new_version, "unstable")
    else:
        # Debian is currently in not freeze, change to "experimental" once that changes.
        updateDebianChangelog(old_version, old_version, "unstable")


#     Part of "Nuitka", an optimizing Python compiler that is compatible and
#     integrates with CPython, but also works on its own.
#
#     Licensed under the Apache License, Version 2.0 (the "License");
#     you may not use this file except in compliance with the License.
#     You may obtain a copy of the License at
#
#        http://www.apache.org/licenses/LICENSE-2.0
#
#     Unless required by applicable law or agreed to in writing, software
#     distributed under the License is distributed on an "AS IS" BASIS,
#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#     See the License for the specific language governing permissions and
#     limitations under the License.
